Influence of Fog on Performance of Free-Space Quantum Communication

Xiuzai Zhang; Xi Xu; Bangyu Liu

doi:10.3788/AOS202040.0727001

Acta Optica Sinica, Volume. 40, Issue 7, 0727001(2020)

Influence of Fog on Performance of Free-Space Quantum Communication

Xiuzai Zhang^1,2、*, Xi Xu², and Bangyu Liu²

¹Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China;

²School of Electronic and Information Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China;

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Figures & Tables(7)

Fig. 1. Relationship between extinction coefficient and visibility

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Fig. 2. Relationship among link attenuation, fog visibility, and transmission distance

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Fig. 3. Relationship among channel capacity ,fog visibility, and transmission distance

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Fig. 4. Relationship among fidelity, fog visibility, and transmission distance

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Fig. 5. Relationship among error rate, fog visibility, and transmission distance

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Table 1. Classification standard for foggy days
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Table 1. Classification standard for foggy days
Fog level Strong fog Thick fog Heavy fog Fog Light fog
Visibility /km (0,0.05) [0.05, 0.20) [0.20, 0.50) [0.50, 1.00) [1.00, 10.00)